FR689065A - Improvements in electromagnetic loudspeaker motors - Google Patents

Improvements in electromagnetic loudspeaker motors

Info

Publication number
FR689065A
FR689065A FR689065DA FR689065A FR 689065 A FR689065 A FR 689065A FR 689065D A FR689065D A FR 689065DA FR 689065 A FR689065 A FR 689065A
Authority
FR
France
Prior art keywords
electromagnetic loudspeaker
motors
loudspeaker motors
electromagnetic
loudspeaker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
IDEAL WERKE AG fur DRAHTLOSE T
Original Assignee
IDEAL WERKE AG fur DRAHTLOSE T
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by IDEAL WERKE AG fur DRAHTLOSE T filed Critical IDEAL WERKE AG fur DRAHTLOSE T
Application granted granted Critical
Publication of FR689065A publication Critical patent/FR689065A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R11/00—Transducers of moving-armature or moving-core type

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
FR689065D 1929-11-25 1930-01-29 Improvements in electromagnetic loudspeaker motors Expired FR689065A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEI39935D DE552460C (en) 1929-11-25 1929-11-25 Leaf spring system for clamping the armature of electromagnetic drive systems

Publications (1)

Publication Number Publication Date
FR689065A true FR689065A (en) 1930-09-02

Family

ID=25817279

Family Applications (1)

Application Number Title Priority Date Filing Date
FR689065D Expired FR689065A (en) 1929-11-25 1930-01-29 Improvements in electromagnetic loudspeaker motors

Country Status (6)

Country Link
AT (1) AT125120B (en)
BE (1) BE367194A (en)
DE (1) DE552460C (en)
ES (1) ES120458A1 (en)
FR (1) FR689065A (en)
GB (1) GB338068A (en)

Also Published As

Publication number Publication date
BE367194A (en) 1930-02-28
DE552460C (en) 1932-06-18
ES120458A1 (en) 1931-01-16
AT125120B (en) 1931-10-26
GB338068A (en) 1930-11-13

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